English verb conjugation MUST CROSS

Regular verb: cross - crossed - crossed

Affirmation

Simple form

I must cross
you must cross
she must cross
we must cross
you must cross
they must cross

V-ing form

I must be crossing
you must be crossing
she must be crossing
we must be crossing
you must be crossing
they must be crossing

Perfect

I must have crossed
you must have crossed
she must have crossed
we must have crossed
you must have crossed
they must have crossed

V-ing perfect

I must have been crossing
you must have been crossing
she must have been crossing
we must have been crossing
you must have been crossing
they must have been crossing

Negation

Simple form

I mustn't cross
you mustn't cross
she mustn't cross
we mustn't cross
you mustn't cross
they mustn't cross

V-ing form

I mustn't be crossing
you mustn't be crossing
she mustn't be crossing
we mustn't be crossing
you mustn't be crossing
they mustn't be crossing

Perfect

I mustn't have crossed
you mustn't have crossed
she mustn't have crossed
we mustn't have crossed
you mustn't have crossed
they mustn't have crossed

V-ing perfect

I mustn't have been crossing
you mustn't have been crossing
she mustn't have been crossing
we mustn't have been crossing
you mustn't have been crossing
they mustn't have been crossing

Interrogative form

Simple form

must I cross?
must you cross?
must she cross?
must we cross?
must you cross?
must they cross?

V-ing form

must I be crossing?
must you be crossing?
must she be crossing?
must we be crossing?
must you be crossing?
must they be crossing?

Perfect

must I have crossed?
must you have crossed?
must she have crossed?
must we have crossed?
must you have crossed?
must they have crossed?

V-ing perfect

must I have been crossing?
must you have been crossing?
must she have been crossing?
must we have been crossing?
must you have been crossing?
must they have been crossing?

Interro-negative form

Simple form

mustn't I cross?
mustn't you cross?
mustn't she cross?
mustn't we cross?
mustn't you cross?
mustn't they cross?

V-ing form

mustn't I be crossing?
mustn't you be crossing?
mustn't she be crossing?
mustn't we be crossing?
mustn't you be crossing?
mustn't they be crossing?

Perfect

mustn't I have crossed?
mustn't you have crossed?
mustn't she have crossed?
mustn't we have crossed?
mustn't you have crossed?
mustn't they have crossed?

V-ing perfect

mustn't I have been crossing?
mustn't you have been crossing?
mustn't she have been crossing?
mustn't we have been crossing?
mustn't you have been crossing?
mustn't they have been crossing?

Page top